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诚信为本,提属于内者,即所谓用意不用力,下则气沉丹田,上则虚灵顶劲;属于外者,周身轻灵,节节贯穿,由脚而腿而腰,沉肩曲肘等是也
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诚信为本,提属于内者,即所谓用意不用力,下则气沉丹田,上则虚灵顶劲;属于外者,周身轻灵,节节贯穿,由脚而腿而腰,沉肩曲肘等是也
供质,价格低廉的通讯器材